Newton's first law

Motions need an unbalanced net force to maintain 

• True
• False

Tags

NGSS.MS-PS2-2

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

Which has more Inertia? (so need more force to move) 

• Truck
• Ant
• A cat
• A skateboard

Tags

NGSS.MS-PS2-2

What two factors do you use to describe a force?

• speed and mass
• motion and direction
• strength and direction
• distance and time

What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

Which type of force(s) will cause a change in an object's motion?

• gravity
• zero net force
• balanced forces
• unbalanced forces

Tags

NGSS.MS-PS2-2

An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?

• slowing motion in a straight line
• accelerating motion in a straight line
• constant motion in a straight line
• constant motion in an unpredictable direction

Tags

NGSS.MS-PS2-2

What can a force do?

• all of the above
• start a motion
• stop a motion
• change the direction of the motion

Tags

NGSS.MS-PS2-2

What is the name for a push or pull?

• A movement
• A force
• Speed
• Density

Tags

NGSS.MS-PS2-2

friction is a force that acts 

• in the same direction as the motion
• opposite to the direction of the motion
• opposite to the applied forces
• the same direction as the applied force